1. Subgenus Triphoris (Ino) Hinds, 1843 accepted as Inella Bayle, 1879
   1. Species Triphoris (Ino) albidus A. Adams, 1854 accepted as Triphoris albidus A. Adams, 1854 accepted as Latitriphora albida (A. Adams, 1854) (nomen nudum)
   2. Species Triphoris (Ino) asperrimus Hinds, 1843 accepted as Inella asperrima (Hinds, 1843) (basionym)
   3. Species Triphoris (Ino) bilix Hinds, 1843 accepted as Euthymella bilix (Hinds, 1843) (basionym)
   4. Species Triphoris (Ino) cancellatus Hinds, 1843 accepted as Viriola cancellata (Hinds, 1843) (superseded combination)
   5. Species Triphoris (Ino) cingulatus A. Adams, 1854 accepted as Triphoris cingulatus A. Adams, 1854 accepted as Viriola cingulata (A. Adams, 1854) (nomen nudum)
   6. Species Triphoris (Ino) concors Hinds, 1843 accepted as Euthymella concors (Hinds, 1843) (basionym)
   7. Species Triphoris (Ino) corrugatus Hinds, 1843 accepted as Viriola corrugata (Hinds, 1843) (basionym)
   8. Species Triphoris (Ino) elegans Hinds, 1843 accepted as Euthymella elegans (Hinds, 1843) (basionym)
   9. Species Triphoris (Ino) gigas Hinds, 1843 accepted as Inella gigas (Hinds, 1843) (basionym)
   10. Species Triphoris (Ino) maxillaris Hinds, 1843 accepted as Latitriphora maxillaris (Hinds, 1843) (basionym)
   11. Species Triphoris (Ino) micans Hinds, 1843 accepted as Inella micans (Hinds, 1843) (basionym)
   12. Species Triphoris (Ino) pagodus Hinds, 1843 accepted as Inella pagoda (Hinds, 1843)
   13. Species Triphoris (Ino) sculptus Hinds, 1843 accepted as Inella sculpta (Hinds, 1843) (basionym)
   14. Species Triphoris (Ino) vestalis A. Adams, 1854 accepted as Triphora vestalis A. Adams, 1854 (unaccepted > superseded combination)
   15. Species Triphoris (Ino) vittatus Hinds, 1843 accepted as Inella vittata (Hinds, 1843) (basionym)
2. Subgenus Triphoris (Mastonia) Hinds, 1843 accepted as Mastonia Hinds, 1843 (superseded combination)
   1. Species Triphoris (Mastonia) aemulans Hinds, 1843 accepted as Iniforis aemulans (Hinds, 1843)
   2. Species Triphoris (Mastonia) carteretensis Hinds, 1843 accepted as Mastonia carteretensis (Hinds, 1843) (superseded combination)
   3. Species Triphoris (Mastonia) castus Hinds, 1843 accepted as Mastoniaeforis casta (Hinds, 1843) (unaccepted > superseded combination)
   4. Species Triphoris (Mastonia) clemens Hinds, 1843 accepted as Mastonia clemens (Hinds, 1843) (basionym)
   5. Species Triphoris (Mastonia) collaris Hinds, 1843 accepted as Triphora collaris Hinds, 1843
   6. Species Triphoris (Mastonia) concinnus Hinds, 1843 accepted as Triphora concinna Hinds, 1843
   7. Species Triphoris (Mastonia) grayii Hinds, 1843 accepted as Triphora grayii Hinds, 1843
   8. Species Triphoris (Mastonia) hilaris Hinds, 1843 accepted as Mastonia hilaris (Hinds, 1843) (basionym)
   9. Species Triphoris (Mastonia) lineolatus Tapparone Canefri, 1877 accepted as Mastonia lineolata (Tapparone Canefri, 1877) (original combination)
   10. Species Triphoris (Mastonia) lusorius Tapparone Canefri, 1877 accepted as Mastonia lusoria (Tapparone Canefri, 1877) (original combination)
   11. Species Triphoris (Mastonia) minutissimus Tapparone Canefri, 1877 accepted as Mastonia minutissima (Tapparone Canefri, 1877) (original combination)
   12. Species Triphoris (Mastonia) monilifer Hinds, 1843 accepted as Coriophora monilifera (Hinds, 1843) (basionym)
   13. Species Triphoris (Mastonia) roseus Hinds, 1843 accepted as Mastonia rosea (Hinds, 1843) (basionym)
   14. Species Triphoris (Mastonia) ruber Hinds, 1843 accepted as Mastonia rubra (Hinds, 1843) (basionym)
   15. Species Triphoris (Mastonia) tristis Hinds, 1843 accepted as Triphora tristis Hinds, 1843
   16. Species Triphoris (Mastonia) vulpinus Hinds, 1843 accepted as Mastonia vulpina (Hinds, 1843) (basionym)
3. Subgenus Triphoris (Monophorus) Granata Grillo, 1877 accepted as Monophorus Granata Grillo, 1877
4. Subgenus Triphoris (Sychar) Hinds, 1843 accepted as Sychar Hinds, 1843 (original rank)
   1. Species Triphoris (Sychar) vitreus Hinds, 1843 accepted as Sychar vitreus (Hinds, 1843) (basionym)
5. Species Triphoris acicula Issel, 1869 † accepted as Triphora acicula Issel, 1869
6. Species Triphoris adamsi Deshayes, 1863 accepted as Triphora adamsi Deshayes, 1863 accepted as Mastonia adamsi (Deshayes, 1863) (incorrect original spelling of generic name)
7. Species Triphoris adamsi Barstch, 1907 accepted as Triphora adamsi Bartsch, 1907 (unaccepted > superseded combination, unreplaced junior homonym)
8. Species Triphoris aegle (Jousseaume, 1884) accepted as Coriophora granosa (Pease, 1871)
9. Species Triphoris affinis Hinds, 1843 accepted as Triphora affinis Hinds, 1843 (incorrect spelling of genus name)
10. Species Triphoris affinis Pease, 1861 accepted as Mastonia peasi Jousseaume, 1884 accepted as Subulophora peasi (Jousseaume, 1884) (unaccepted > junior homonym, invalid, not Hinds, 1843. Mastonia peasi is replacement name)
11. Species Triphoris africana Bartsch, 1915 accepted as Triphora africana Bartsch, 1915 (misspelling of genus)
12. Species Triphoris albidus A. Adams, 1854 accepted as Latitriphora albida (A. Adams, 1854) (unaccepted > superseded combination)
13. Species Triphoris alternata Pease, 1861 accepted as Triphora bicolor Pease, 1868 (non C. B. Adams, 1852)
14. Species Triphoris angasi Crosse & P. Fischer, 1865 accepted as Monophorus angasi (Crosse & P. Fischer, 1865) (original combination)
15. Species Triphoris angustissimus Deshayes, 1863 accepted as Triphora angustissima Deshayes, 1863 (original combination)
16. Species Triphoris atea Bartsch, 1915 accepted as Triphora atea Bartsch, 1915 (misspelling of genus)
17. Species Triphoris atomus Issel, 1869 accepted as Triphora atomus Issel, 1869 (original combination)
18. Species Triphoris bartschi Olsson, 1916 † accepted as Cinctrifora bartschi (Olsson, 1916) †
19. Species Triphoris bermudensis Bartsch, 1911 accepted as Eutriphora bermudensis (Bartsch, 1911) (unaccepted > superseded combination)
20. Species Triphoris bicolor Pease, 1868 accepted as Triphora bicolor Pease, 1868 (incorrect original spelling of generic name)
21. Species Triphoris brunneus Pease, 1871 accepted as Triphora brunnea Pease, 1871 (original spelling)
22. Species Triphoris callipyrgus Bartsch, 1907 accepted as Triphora callipyrga Bartsch, 1907 (superseded combination)
23. Species Triphoris capensis Bartsch, 1915 accepted as Triphora capensis Bartsch, 1915 (misspelling of genus)
24. Species Triphoris carpenteri Bartsch, 1907 accepted as Triphora carpenteri Bartsch, 1907 (unaccepted > superseded combination)
25. Species Triphoris catalinensis Bartsch, 1907 accepted as Triphora catalinensis Bartsch, 1907 (unaccepted > superseded combination)
26. Species Triphoris chathamensis Bartsch, 1907 accepted as Triphora chathamensis Bartsch, 1907 (unaccepted > superseded combination)
27. Species Triphoris cingulatus A. Adams, 1854 accepted as Viriola cingulata (A. Adams, 1854) (original combination)
28. Species Triphoris cingulifera Pease, 1861 accepted as Mastonia cingulifera (Pease, 1861)
29. Species Triphoris clavata Pease, 1861 accepted as Mastonia clavata (Pease, 1861)
30. Species Triphoris conspersus E. A. Smith, 1875 accepted as Bouchetriphora conspersa (E. A. Smith, 1875)
31. Species Triphoris corrugatus Hinds, 1843 accepted as Viriola corrugata (Hinds, 1843) (original combination)
32. Species Triphoris costatus Pease, 1871 accepted as Triphora costata Pease, 1871 (original spelling)
33. Species Triphoris crenulatus Deshayes, 1863 accepted as Triphora crenulata Deshayes, 1863 accepted as Euthymella crenulata (Deshayes, 1863) (misspelling of genus)
34. Species Triphoris cucullatus de Folin, 1867 accepted as Triphora cucullata de Folin, 1867
35. Species Triphoris cylindricus Pease, 1871 accepted as Triphora cylindrica Pease, 1871 (original spelling)
36. Species Triphoris dalli Bartsch, 1907 accepted as Triphora dalli Bartsch, 1907 (unaccepted > superseded combination)
37. Species Triphoris dextroversus A. Adams & Reeve, 1850 accepted as Seila dextroversa (A. Adams & Reeve, 1850) (original combination)
38. Species Triphoris distinctus Deshayes, 1863 accepted as Triphora distincta Deshayes, 1863 (incorrect original spelling)
39. Species Triphoris dupliniana Olsson, 1916 † accepted as Cheirodonta dupliniana (Olsson, 1916) (original combination)
40. Species Triphoris elegans Hinds, 1843 accepted as Euthymella elegans (Hinds, 1843) (original combination)
41. Species Triphoris elsa Bartsch, 1915 accepted as Triphora elsa Bartsch, 1915 (misspelling of genus)
42. Species Triphoris excolpus Bartsch, 1907 accepted as Triphora excolpa Bartsch, 1907 accepted as Triphora excolpus Bartsch, 1907 (unaccepted > superseded combination)
43. Species Triphoris fasciata Tenison Woods, 1879 accepted as Hedleytriphora fasciata (Tenison Woods, 1879) (alternate spelling of genus)
44. Species Triphoris festivus A. Adams, 1854 accepted as Aclophoropsis festiva (A. Adams, 1854) (original combination)
45. Species Triphoris flammulata Pease, 1861 accepted as Euthymella flammulata (Pease, 1861)
46. Species Triphoris formosus Deshayes, 1863 accepted as Triphora formosa Deshayes, 1863 (incorrect spelling of generic name)
47. Species Triphoris fucata Pease, 1861 accepted as Euthymella concors (Hinds, 1843) (unaccepted > junior subjective synonym)
48. Species Triphoris galapagensis Bartsch, 1907 accepted as Triphora galapagensis Bartsch, 1907 (unaccepted > superseded combination)
49. Species Triphoris gemmulatus A. Adams & Reeve, 1850 accepted as Inella gemmulata (A. Adams & Reeve, 1850)
50. Species Triphoris gigas Hinds, 1843 accepted as Inella gigas (Hinds, 1843) (original combination)
51. Species Triphoris gracilis Pease, 1871 accepted as Mastonia gracilis (Pease, 1871) (superseded combination)
52. Species Triphoris granosus Pease, 1871 accepted as Coriophora granosa (Pease, 1871) (superseded combination)
53. Species Triphoris granulatus A. Adams & Reeve, 1850 accepted as Cautor granulatus (A. Adams & Reeve, 1850)
54. Species Triphoris helena Bartsch, 1915 accepted as Triphora helena Bartsch, 1915 (unaccepted > superseded combination)
55. Species Triphoris hemphilli Bartsch, 1907 accepted as Triphora hemphilli Bartsch, 1907 (unaccepted > superseded combination)
56. Species Triphoris hindsi Deshayes, 1863 accepted as Mastonia hindsi (Deshayes, 1863) (original combination)
57. Species Triphoris ima Bartsch, 1915 accepted as Triphora ima Bartsch, 1915 accepted as Viriola fuscescens (E. A. Smith, 1904) (unaccepted > superseded combination)
58. Species Triphoris incisa Pease, 1861 accepted as Viriola incisa (Pease, 1861)
59. Species Triphoris inconspicuus C. B. Adams, 1852 accepted as Triphora inconspicua C. B. Adams, 1852
60. Species Triphoris infrequens C. B. Adams, 1852 accepted as Cerithiopsis infrequens (C. B. Adams, 1852) (original combination)
61. Species Triphoris labiatus A. Adams, 1854 accepted as Cheirodonta labiata (A. Adams, 1854) (original combination)
62. Species Triphoris maculatus Pease, 1871 accepted as Litharium maculatum (Pease, 1871) (original combination)
63. Species Triphoris madria Bartsch, 1915 accepted as Triphora madria Bartsch, 1915 (misspelling of genus)
64. Species Triphoris milda Bartsch, 1915 accepted as Triphora milda Bartsch, 1915 (misspelling of genus)
65. Species Triphoris minimus Pease, 1871 accepted as Cautor minimus (Pease, 1871) (original combination)
66. Species Triphoris mirificus Deshayes, 1863 accepted as Mastoniaeforis mirifica (Deshayes, 1863) (unaccepted > superseded combination)
67. Species Triphoris montereyensis Bartsch, 1907 accepted as Triphora montereyensis Bartsch, 1907 (unaccepted > superseded combination)
68. Species Triphoris nigrocinctus (C. B. Adams, 1839) accepted as Marshallora nigrocincta (C. B. Adams, 1839) (unaccepted > superseded combination)
69. Species Triphoris nigrofuscus A. Adams, 1854 accepted as Monophorus nigrofuscus (A. Adams, 1854) (unaccepted > superseded combination)
70. Species Triphoris nina Bartsch, 1915 accepted as Triphora nina Bartsch, 1915 (misspelling of genus)
71. Species Triphoris nodiferus A. Adams & Reeve, 1850 accepted as Triphora nodifera A. Adams & Reeve, 1850 (unaccepted > superseded combination)
72. Species Triphoris obesulus (Jousseaume, 1884) accepted as Obesula obesula (Jousseaume, 1884)
73. Species Triphoris oreada Bartsch, 1915 accepted as Triphora oreada Bartsch, 1915 (misspelling of genus)
74. Species Triphoris ornatus Deshayes, 1832 accepted as Cosmotriphora ornata (Deshayes, 1832) (original combination)
75. Species Triphoris oryza Pease, 1871 accepted as Triphora oryza Pease, 1871 (original spelling)
76. Species Triphoris pallidus Pease, 1871 accepted as Bouchetriphora pallida (Pease, 1871) (superseded combination)
77. Species Triphoris panamensis Bartsch, 1907 accepted as Triphora panamensis Bartsch, 1907 (unaccepted > superseded combination)
78. Species Triphoris pedroanus Bartsch, 1907 accepted as Triphora pedroana Bartsch, 1907
79. Species Triphoris peninsularis Bartsch, 1907 accepted as Triphora peninsularis Bartsch, 1907 (unaccepted > superseded combination)
80. Species Triphoris perfectus Pease, 1871 accepted as Iniforis perfecta (Pease, 1871) (original combination)
81. Species Triphoris perlatus Issel, 1869 accepted as Mastonia perlata (Issel, 1869)
82. Species Triphoris pfeifferi Crosse & P. Fischer, 1865 accepted as Hedleytriphora scitula (A. Adams, 1854)
83. Species Triphoris pulchellus A. Adams, 1854 accepted as Triphora pulchella A. Adams, 1854
84. Species Triphoris punctatus Pease, 1871 accepted as Triphora punctata Pease, 1871 (original spelling)
85. Species Triphoris pupaeformis Deshayes, 1863 accepted as Triphora pupaeformis Deshayes, 1863 (original combination)
86. Species Triphoris pustulosus Pease, 1871 accepted as Triphora pustulosa Pease, 1871 (original spelling)
87. Species Triphoris pyramidalis A. Adams & Reeve, 1850 accepted as Euthymella pyramidalis (A. Adams & Reeve, 1850) (unaccepted > superseded combination)
88. Species Triphoris pyrrha J. B. Henderson & Bartsch, 1914 accepted as Triphora pyrrha J. B. Henderson & Bartsch, 1914
89. Species Triphoris reevei Deshayes, 1863 accepted as Triphora reevei Deshayes, 1863 accepted as Iniforis reevei (Deshayes, 1863) (incorrect spelling of genus name)
90. Species Triphoris robustus Pease, 1871 accepted as Triphora robusta Pease, 1871 (original spelling)
91. Species Triphoris ruber Hinds, 1843 accepted as Triphora rubra Hinds, 1843 accepted as Mastonia rubra (Hinds, 1843) (original combination)
92. Species Triphoris sabita Bartsch, 1915 accepted as Triphora sabita Bartsch, 1915 (unaccepted > superseded combination)
93. Species Triphoris scitulus A. Adams, 1854 accepted as Hedleytriphora scitula (A. Adams, 1854) (unaccepted > superseded combination)
94. Species Triphoris similis Pease, 1871 accepted as Cautor similis (Pease, 1871) (original combination)
95. Species Triphoris smithi Bartsch, 1915 accepted as Triphora smithi Bartsch, 1915 (misspelling of genus)
96. Species Triphoris speciosus A. Adams & Reeve, 1850 accepted as Mastoniaeforis speciosa (A. Adams & Reeve, 1850) (unaccepted > superseded combination)
97. Species Triphoris stearnsi Bartsch, 1907 accepted as Triphora stearnsi Bartsch, 1907 (unaccepted > superseded combination)
98. Species Triphoris sulcosus Pease, 1871 accepted as Triphora sulcosa Pease, 1871 (original spelling)
99. Species Triphoris suturalis A. Adams & Reeve, 1850 accepted as Triphora suturalis A. Adams & Reeve, 1850 (misspelling of generic name)
100. Species Triphoris tibialis (Jousseaume, 1884) accepted as Euthymella elegans (Hinds, 1843)
101. Species Triphoris triliratus Deshayes, 1863 accepted as Viriola trilirata (Deshayes, 1863) (unaccepted > misspelling - incorrect subsequent spelling, incorrect spelling of genus name)
102. Species Triphoris triticea Pease, 1861 accepted as Nanaphora triticea (Pease, 1861) (original combination)
103. Species Triphoris tuberculatus Pease, 1871 (unaccepted, original spelling)
104. Species Triphoris variegatus A. Adams, 1854 (unaccepted)
105. Species Triphoris verrucosus A. Adams & Reeve, 1850 (unaccepted > superseded combination)
106. Species Triphoris vestalis A. Adams, 1854 (unaccepted > superseded combination)
107. Species Triphoris vitreus Hinds, 1843 (unaccepted, original combination)
108. Species Triphoris alternatus C. B. Adams, 1852 † (uncertain > unassessed)
109. Species Triphoris alveolatus A. Adams & Reeve, 1850 (uncertain > nomen dubium)
110. Species Triphoris grandis Reeve, 1848 (uncertain > taxon inquirendum)
111. Species Triphoris grayii Hinds, 1843 (uncertain > nomen dubium)
112. Species Triphoris myriococcus Brusina, 1877 † (uncertain > unassessed)

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